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authorRickard Green <[email protected]>2013-02-01 17:07:46 +0100
committerRickard Green <[email protected]>2013-02-01 17:07:46 +0100
commit81ec60cb9eae5cebdef2fa4f5a65b7633fd37598 (patch)
tree75a080d12e5b9d2ba600f4a4b2a63a3788a77732 /erts/emulator
parent9acad61e2bfa3e281e5e17e087811c8b1006165f (diff)
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Fix unsafe driver_select() from win32 vanilla/spawn drivers
Diffstat (limited to 'erts/emulator')
-rwxr-xr-xerts/emulator/sys/win32/sys.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/erts/emulator/sys/win32/sys.c b/erts/emulator/sys/win32/sys.c
index 1cd9072cea..fe66dbd83b 100755
--- a/erts/emulator/sys/win32/sys.c
+++ b/erts/emulator/sys/win32/sys.c
@@ -749,7 +749,6 @@ static void close_active_handle(ErlDrvPort port_num, HANDLE handle)
CloseHandle(thread);
}
htbc->handles[htbc->cnt++] = handle;
- driver_select(port_num, (ErlDrvEvent)handle, ERL_DRV_USE_NO_CALLBACK, 0);
SetEvent(htbc->handles[0]);
htbc_curr = htbc;
LeaveCriticalSection(&htbc_lock);
@@ -914,12 +913,8 @@ release_async_io(AsyncIo* aio, ErlDrvPort port_num)
CloseHandle(aio->fd);
aio->fd = INVALID_HANDLE_VALUE;
- if (aio->ov.hEvent != NULL) {
- (void) driver_select(port_num,
- (ErlDrvEvent)aio->ov.hEvent,
- ERL_DRV_USE, 0);
- /* was CloseHandle(aio->ov.hEvent); */
- }
+ if (aio->ov.hEvent != NULL)
+ CloseHandle(aio->ov.hEvent);
aio->ov.hEvent = NULL;
@@ -2349,12 +2344,12 @@ stop(ErlDrvData data)
if (dp->in.ov.hEvent != NULL) {
(void) driver_select(dp->port_num,
(ErlDrvEvent)dp->in.ov.hEvent,
- ERL_DRV_READ, 0);
+ ERL_DRV_READ|ERL_DRV_USE_NO_CALLBACK, 0);
}
if (dp->out.ov.hEvent != NULL) {
(void) driver_select(dp->port_num,
(ErlDrvEvent)dp->out.ov.hEvent,
- ERL_DRV_WRITE, 0);
+ ERL_DRV_WRITE|ERL_DRV_USE_NO_CALLBACK, 0);
}
if (dp->out.thread == (HANDLE) -1 && dp->in.thread == (HANDLE) -1) {